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Old 02-06-2008, 05:19 AM
ashim saikia
 
Default Bug#264339: Unknown DM device 254:0

I am recompiling kernel 2.6.24. I got this message
Unknown DM device
254:0.That doesnot allow me to create the initrd file.
Can anybody help me
out.



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Old 02-06-2008, 12:25 PM
maximilian attems
 
Default Bug#264339: Unknown DM device 254:0

On Tue, 05 Feb 2008, ashim saikia wrote:

> I am recompiling kernel 2.6.24. I got this message
> Unknown DM device
> 254:0.That doesnot allow me to create the initrd file.
> Can anybody help me
> out.

use initramfs-tools, initrd-tools is deprecated since long



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Old 02-07-2008, 08:22 AM
maximilian attems
 
Default Bug#264339: Unknown DM device 254:0

[ first of all keep the bug report on cc that is not private
converstation, cool thanks ]

On Wed, 06 Feb 2008, ashim saikia wrote:

> Thanks for your suggestion.......... but I have tried with
> initramfs-tools also.It does help to create initrd file but when I
> reboot into my new kernel, the same "Device Mapper unable to map to the
> specified device 254:0",keeps on populating my screen. This I can only
> overcome by killing "udev". So can you suggest me why is it happening.

you seem to not use standard debian kernel, try those first.
sorry but we don't have the time to debug custom .configs
many things can go wrong.

2.6.24 unstable images just install fine in stable or testing.

> Actually, I have modified the dvb driver code, which I have recompiled
> it into 2.6.24 kernel. I have downloaded this kernel 2.6.24 from
> kernel.org. My existing kernel version is 2.6.20-15-generic. So is it
> any way related to the difference in kernel version.
>
> Also, the initrd file that is being created amounts to 42M whereas a
> normal initrd file amounts to 7-9M.Can you suggest why is it happening.

that sounds again like a fishy .config debug setting, where
you modules grow big.



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